to the left of the Pokemon center soon as you come up to the island
at the seafoam islands
In the beginning of the game, he isn't there. Towards the end, you will find his rival on cinnabar island by himself. After you talk to the rival, he leaves to go back to viridian. Fight the cinnabar gym leader, go back to viridian and the gym leader should be there. The man you talk to on Cinnabar Island Isn't the gym leader, but his rival. After you speak with his rival on cinnabar, the gym leader reappears in viridian. You have to fight and beat the cinnabar gym leader first.
He's at Cinnabar Island.
cinnabar island. he will go to the gym after getting all the 7 kanto gym badges
go past the cinnabar island and go the sefom island and he in there
I have no idea. Why two construction workers blocking you?
Blue, the Viridian gym leader(looks like your rival for Pokemon FireRed/LeafGreen), is on Cinnabar Island. Talk to him and he'll say a few things, then go to his gym in Viridian City.
You have to surf from Cinnabar city. To get to Cinnabar, surf from pallet town.
first get the first 15 badges, then go to cinnabar island, go up the steps to the left of the Pokemon center, and he's there, speak to him and he will leave for his gym.
You have to use surf off the right side of the island to get to the seafoam islands
The six gym leader location in Pokemon Heart Gold is Olivine City, but you battle the one in Cinnabar first.
The fifteeth gym leader is blaine. He is at sea foam island which you ca get there by cinnabar islad then surfing. When you get there don't take the stairs with all the snow around it that is where articuno is after you beat red take the ldder up stairs then your at his gym. But remember you can't fly back you have to surf from cinnabar